Word.ws English Dictionary

stillwellite

stillwellite noun: a trigonal-pyramidal rare earth borosilicate mineral.

Noun

stillwellite (uncountable)

  1. A trigonal-pyramidal rare earth borosilicate mineral.

Origin of stillwellite

Named after Australian mineralogist Frank Leslie Stillwell (1888–1963), + -ite. As a rare earth mineral ore, it usually requires a suffix of the element (i.e. Stillwellite-(Ce)).

Questions about stillwellite

What does stillwellite mean?
Stillwellite means a trigonal-pyramidal rare earth borosilicate mineral.
What part of speech is stillwellite?
Stillwellite is a noun.

Words near stillwellite in the dictionary

  1. Stillwagons
  2. stillwater
  3. Stillwater County
  4. stillwaterite
  5. Stillwell
  6. stillwellite
  7. Stillwells
  8. stilly
  9. stillyard
  10. stillyards
  11. stilp

Source and license

Adapted from Wiktionary: stillwellite (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “stillwellite.” Word.ws, https://word.ws/stillwellite. Based on Wiktionary, CC BY-SA 4.0.